Black Lake is a Scandinavian thriller television series, devised by Ulf Kvensler and co-produced by TV3 Sverige, TV3 Danmark, TV3 Norge, Viaplay, and Jarowskij, that first broadcast in Sweden and Denmark in October 2016. The first eight-part series, which also alludes to hints of the supernatural and horror genres, is based around a disused ski resort in the north of Sweden, and was written by Kvensler, Moa Herngren, Peter Arrhenius, and Jonathan Sjöberg, and directed by Sjöberg and David Berron. The first series broadcast on BBC Four in the United Kingdom from 16 September to 7 October 2017, with two episodes broadcast back-to-back each week. The first series was later released on Region 2 DVD on 9 October 2017.
Johan takes his brother and six friends to the north of Sweden because he is thinking of purchasing a disused ski hotel close to the border with Norway. It never officially opened because a family of four was murdered in the hotel's cellar shortly before it was due to open twenty years earlier. Johan's girlfriend, Hanne, who suffers long-term guilt over the death of her younger brother, quickly comes to believe that the building is possessed by the spirit of a dead child (a myling). At the same time, the surly caretaker, Erkki, is trying to scare them away from the property, with assistance from two Norwegian brothers who run a nearby snowmobile business. Having accepted Johan's marriage proposal, Hanne becomes friendly with Jostein, the younger of the brothers.